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r9gd.4xlarge pricing and specs in US West (Oregon)

16 vCPU · 128 GiB · Up to 17 Gigabit · AWS Graviton5 Processor Graviton

$1.2814/hour on-demand · $935/month (Linux, Shared)

r9gd.4xlarge is a memory-optimized EC2 instance with 16 vCPU and 128 GiB, generation 9 of the r family on AWS Graviton (Arm). On-demand it costs $1.2814 an hour, about $935 a month if it runs all month. A one-year commitment with nothing up front works out at $0.8054 an hour and pays for itself above roughly 458 hours a month; below that, on-demand is cheaper. The three-year options go down to $0.5538 an hour, 57% below on-demand. The newer r9g.4xlarge offers the same size for $1.0274 an hour, 20% less. Across regions the cheapest place to run r9gd.4xlarge is US East (N. Virginia) (us-east-1) at $1.2814 an hour, 0% below US West (Oregon).

Pricing by OS (hourly, USD, Shared)

OptionLinuxWindowsRHELSUSEUbuntu Pro
On-Demand$1.2814—$1.4542$1.4064$1.3094
Spot$0.4572————
1y Compute SP NU$0.9297—$1.1025$0.9896$0.9521
3y Compute SP NU$0.6583—$0.8311$0.7123$0.6766
1y EC2 SP NU$0.8054—$0.9781$0.8652$0.8277
3y EC2 SP NU$0.5538—$0.7266$0.6078$0.5720

Spot by AZ (7-day p50, Linux): us-west-2d $0.2770 · us-west-2b $0.4863 · us-west-2a $0.4811 · us-west-2c $0.4334

Newer generations of the same size

Same family letter and size in a newer generation, ranked by price. “vCPU per $” uses vCPU as the performance proxy — newer chips usually add more, so it is a floor.

Already Graviton
Type$/hPrice ΔvCPU per $ ΔSaves / mo
r9g.4xlarge Graviton$1.0274-20%+25%$185

Cheapest regions for r9gd.4xlarge

RegionOn-Demand $/hvs us-west-2Saves / mo
US East (N. Virginia) us-east-1$1.28140.0%$0
US East (Ohio) us-east-2$1.28140.0%$0
US West (Oregon) us-west-2$1.2814current—
EU (Frankfurt) eu-central-1$1.5397+20%$-189

Caveat: instance price is only part of the bill. Cross-region and internet data transfer, latency to your users, data-residency rules and service availability can outweigh a few percent on compute.

Price history (us-west-2)

Daily snapshots since the catalog started tracking this type; a row is added whenever a headline price changes.

DateOD LinuxOD Windows1y RI3y RISpot p50
2026-11-06$1.2814———$0.4572
2026-11-05$1.2814———$0.4486
2026-11-04$1.2814———$0.4485
2026-11-03$1.2814———$0.4485
2026-11-02$1.2814———$0.4482
2026-11-01$1.2814———$0.4480
2026-10-31$1.2814———$0.4474
2026-10-30$1.2814———$0.4465
2026-10-29$1.2814———$0.4450
2026-10-28$1.2814———$0.4405
2026-10-27$1.2814———$0.4359
2026-10-26$1.2814———$0.4318
2026-10-25$1.2814———$0.4284
2026-10-24$1.2814———$0.4164
2026-10-23$1.2814———$0.4133
2026-10-22$1.2814———$0.4106
2026-10-21$1.2814———$0.4046
2026-10-20$1.2814———$0.4004
2026-10-17$1.2814———$0.3965
2026-10-16$1.2814———$0.3966
2026-10-15$1.2814———$0.3968
2026-10-14$1.2814———$0.3977
2026-10-13$1.2814———$0.4020
2026-10-12$1.2814———$0.4078
2026-10-11$1.2814———$0.4142
2026-10-08$1.2814———$0.4167
2026-10-07$1.2814———$0.4132
2026-10-06$1.2814———$0.4064
2026-10-05$1.2814———$0.4044
2026-10-04$1.2814———$0.4022

All attributes

vCPU
16
Cores / threads per core
16 / 1
Memory
128 GiB
Memory per vCPU
8.00 GiB
Processor
AWS Graviton5 Processor
Architecture
arm64
Sustained clock
3.3 GHz
Hypervisor
nitro
Generation
Current
Burstable
No
Bare metal
No
Free tier eligible
No
Network performance
Up to 17 Gigabit
Network baseline / burst
8.5 / 17.0 Gbps
Max ENIs × IPv4 per ENI
8 × 50
IPv6 / ENA / EFA
IPv6 / ENA / —
EBS optimized
Yes
EBS bandwidth (baseline / max)
6000 / 12000 Mbps
EBS IOPS (baseline / max)
24,000 / 48000
EBS NVMe
required
Instance storage
950 GB NVMe SSD
GPU
—
Placement groups
cluster, partition, spread
Hibernation / Nitro Enclaves
Yes / Yes
Dedicated hosts
Supported
Boot modes
uefi
Spot supported
Yes

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Public AWS list prices (USD), refreshed nightly (catalog 2026-11-06). RI and Savings Plan rates are effective hourly (upfront amortised over the term) and are charged for every hour of the term. Excludes taxes, data transfer and storage. How these numbers are sourced and checked. Not affiliated with Amazon Web Services.

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